N'-[(S)-3-(1-Ethoxy-2-iodo-ethoxy)-but-(Z)-ylidene]-N,N-diphenyl-hydrazine 在
偶氮二异丁腈 、
三正丁基氢锡 作用下,
以
苯 为溶剂,
生成 N'-((2R,4R,6S)-2-Ethoxy-6-methyl-tetrahydro-pyran-4-yl)-N,N-diphenyl-hydrazine 、 N'-((2S,4R,6S)-2-Ethoxy-6-methyl-tetrahydro-pyran-4-yl)-N,N-diphenyl-hydrazine 、 N'-((2S,4S,6S)-2-Ethoxy-6-methyl-tetrahydro-pyran-4-yl)-N,N-diphenyl-hydrazine